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Finding the Fourth Proportional to 566,320.70, 781,409.27 and 324,679.07

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Solution

The fourth proportional to 566,320.70, 781,409.27 and 324,679.07 is: 447,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,320.70 : 781,409.27 = 324,679.07 : x
  2. Step 2: Convert to fraction form
    566,320.70/781,409.27 = 324,679.07/x
  3. Step 3: Cross multiply
    566,320.70x = 781,409.27 × 324,679.07
  4. Step 4: Simplify right side
    566,320.70x = 253,707,235,072.98
  5. Step 5: Solve for x
    x = 253,707,235,072.98/566,320.70
  6. Step 6: Final answer
    x = 447,992.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.